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  1. #1
    mtbr member
    Join Date
    Mar 2009

    FSA Afterburner Compact 386 MegaExo MTB Crankset w/ BB $96 W/ fs 2x9 and 2x10

    I noticed this while surfing for good deals and thought I would share A few chainring sizes to choose from. 2x9 and 2x10.


    FSA (Full Speed Ahead) Afterburner Crank/Bottom Bracket Sets feature hollow forged crankarms resulting in superior strength and stiffness and a higher strength-to-weight ratio compared to solid arms. The design allows for smaller chainring combinations and increased spider stiffness.

    * Hollow forged AL6061 arms and spider
    * Counter sunk MegaExo Spindle
    * AL-7075 CNC Pro MTB Chainrings
    * AL-7075 Torx T-30 chainring bolts
    * MegaExo bottom bracket with oversized external alloy bearing cups
    * 3 bolt, 86mm bolt circle diameter

    Item Specifications
    Color Silver
    Weight 880g
    BB Included Yes
    BB Thread Type English
    Spindle Interface Type MegaExo ATB
    Pedal Spindle 9/16"
    Arm Length 170mm or 175mm
    Chainrings 27-39, 27-40, or 27-42
    Crank-FD Type Mountain Double
    BB Shell Width 68/73mm
    Crank Intended Use Mountain
    Chain Compatibility 9-Speed or 10-Speed
    Chainring BCD 86mm
    Bolt Pattern 3 bolts
    Killing it with close inspection.

  2. #2
    SS Pusher Man
    Reputation: mtnbikej's Avatar
    Join Date
    Sep 2001
    Only problem is lack of chainring options.
    I resolve to constantly assert my honest opinion on anything and everything - whether it is requested or not.
    Bucky the Cat

  3. #3
    mtbr member
    Join Date
    May 2007
    They are decent for 96 bucks. I wouldn't put them on my reg bike. Maybe a wife or son bike where they aren't hitting the big climbs.
    Lead by my Lefty............... right down the trail, no brakes.

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